{{Infobox person|name=Marjorie Merriweather Post|image=Marjorie Merriweather Post Hutton Davies NYWTS.jpg|image size=200 px|image_size=200 px|caption=Post in 1942|birth_date={{Birth date|1887|3|15}}|birth_place=[[Springfield, Illinois]]|death_date={{death date and age|1973|9|12|1887|3|15}}|almamater=[[Mount Vernon College for Women]]|alma_mater=[[Mount Vernon College for Women]]|occupation=[[Postum Cereal Company]], [[General Foods]] ownerpemilik; philanthropistfilantropis, socialitesosialita|net worth=[[USD]] $5 billion (2008 dollars)|networth=[[USD]] $5 billion (2008 dollars)|spouse={{marriage|Edward Bennett Close<br>|1905|1919|reason=div}}<br>{{marriage|[[Edward Francis Hutton]]<br>|1920|1935|reason=div}}<br>{{marriage|[[Joseph E. Davies]]<br>|1935|1955|reason=div}}<br>{{marriage|Herbert A. May<br>|1958|1964|reason=div}}|children=Adelaide Close<br>[[Eleanor Post Hutton]]<br>[[Dina Merrill]]|parents=[[C. W. Post|Charles William "C. W." Post]]<br>Ella Letitia Merriweather|relatives=[[Barbara Hutton]] (niece)|awards=[[Legion of Honor]]}}'''Marjorie Merriweather Post''' (15 Maret 1887 – 12 September 1973 di [[Springfield, Illinois]]) adalah seorang terkemuka [[Amerika Serikat|Amerika]] [[Sosialite|sosialita]] dan pemilik [[General Foods]], Inc.